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We are conducting formation experiments on high performance materials such as magnetic and semiconductors by using various containerless proceses. In particular, we are conductind research on single crystal fine particle formation of Ⅲ-Ⅴtype semiconductors using a drop tube with a falling part 2.5m and formation of Nd-Fe-B high performance permanent magnets using a method of quanchind levitaing melt droplet. In addition, liquid phase epitaxial growth experiments ofⅢ-Ⅴtype semiconductores and experiments for magnetic semiconductor fine particle formation are slso conducted.

Laboratory Character

Containerless process is a special experimental method that can simulate materials science experiments in the zero gravity environment like the space on the ground. Our laboratory creates new materials such as Nd-Fe-B high performance permanent magnets, spherical single crystal solar cells Si, Ⅲ-Ⅴtype compound semiconductor single crystals and magnetic semiconductor fine particles by using various containerless processes, we are doing for researth.

Microstructure and solidification process of Fe-Cu immisible alloys by using containerless process

Affiliated Conferences

The Japan Institute of Metal and Materials

The Japan Socity of Microgravity Applicasion

The Magnetics Society of Japan

For Social Contributions to the World Sustainability

Nd-Fe-B magnet materilas are expected to developed high performance materials as engine drive motors for hybrid vehices and electric cars. Spherical single crystal Si for solar cells with high coversion efficiency is also indispensable for future society and industry. Furthermore, it is also essential to develop a process for producing a single crystal growth from a melt of Ⅲ-Ⅴtyape compound semiconductors, which is expected as a material for LED and laser. In our laboratry, we are conductiong reserach based on the above background.